diff options
Diffstat (limited to 'gcc/cfganal.c')
| -rw-r--r-- | gcc/cfganal.c | 16 |
1 files changed, 6 insertions, 10 deletions
diff --git a/gcc/cfganal.c b/gcc/cfganal.c index 679a6e67fda..6924fd39246 100644 --- a/gcc/cfganal.c +++ b/gcc/cfganal.c @@ -980,6 +980,7 @@ flow_dfs_compute_reverse_add_bb (data, bb) basic_block bb; { data->stack[data->sp++] = bb; + SET_BIT (data->visited_blocks, bb->index - (INVALID_BLOCK + 1)); return; } @@ -999,16 +1000,11 @@ flow_dfs_compute_reverse_execute (data) while (data->sp > 0) { bb = data->stack[--data->sp]; - - /* Mark that we have visited this node. */ - if (!TEST_BIT (data->visited_blocks, bb->index - (INVALID_BLOCK + 1))) - { - SET_BIT (data->visited_blocks, bb->index - (INVALID_BLOCK + 1)); - - /* Perform depth-first search on adjacent vertices. */ - for (e = bb->pred; e; e = e->pred_next) - flow_dfs_compute_reverse_add_bb (data, e->src); - } + /* Perform depth-first search on adjacent vertices. */ + for (e = bb->pred; e; e = e->pred_next) + if (!TEST_BIT (data->visited_blocks, + e->src->index - (INVALID_BLOCK + 1))) + flow_dfs_compute_reverse_add_bb (data, e->src); } /* Determine if there are unvisited basic blocks. */ |